San Ramon is a suburb of San Francisco, Oakland, and Silicon Valley. As the location of the former headquarters of the company formerly known as Pacific Bell (later SBC, now AT&T), it is the home of Dilbert (Scott Adams worked there before creating the Dilbert comic strip). It is also home to the headquarters of Chevron Corporation and 24-Hour Fitness, Diablo Valley College, San Ramon Valley Regional Medical Center, and two public high schools: California High School and Dougherty Valley High School.
On April 24, 2001, San Ramon received the title Tree City USA.
As of the census of 2000, there were 44,722 people, 16,944 households, and 12,148 families residing in the city. The population density was 3,862.0/mi² (1,491.1/km²). There were 17,552 housing units at an average density of 1,515.7/mi² (585.2/km²). The racial makeup of the city was 76.82% White, 1.93% Black or African American, 0.36% Native American, 14.94% Asian, 0.21% Pacific Islander, 2.16% from other races, and 3.58% from two or more races. 7.24% of the population were Hispanic or Latino of any race.
There were 16,944 households out of which 37.9% had children under the age of 18 living with them, 61.8% were married couples living together, 7.0% had a female householder with no husband present, and 28.3% were non-families. 21.1% of all households were made up of individuals and 3.6% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 3.12.
In the city the population was spread out with 26.3% under the age of 18, 5.8% from 18 to 24, 35.7% from 25 to 44, 26.2% from 45 to 64, and 6.1% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 97.3 males. For every 100 females age 18 and over, there were 94.6 males.
According to a 2007 estimate, the median income for a household in the city was $111,604, and the median income for a family was $124,572. Males had a median income of $73,502 versus $50,107 for females. The per capita income for the city was $42,336. About 1.4% of families and 2.0% of the population were below the poverty line, including 1.4% of those under age 18 and 4.5% of those age 65 or over.
Local bus service in the San Ramon Valley is provided primarily by County Connection (Central Contra Costa Transit Authority, or CCCTA). Service includes:
Transit tickets for County Connection can be purchased at the San Ramon Transportation Offices, Community Center, City Hall, Senior Center and Library.
The San Ramon Transit Center is located along the Iron Horse Trail at the corner of Executive Parkway and Camino Ramon, and provides commuters with 54 parking spaces to meet a carpool, vanpool or bus. These parking spaces are available on a first-come first-serve basis and are free of charge. Bike Racks and Lockers are available at the Transit Center; bike lockers are covered, secured and can be rented monthly, quarterly or yearly. Bike racks are available on a first come, first served basis.